Across
- 2. water evaporates and leaves behind a salty crust on the top layers of soil
- 4. Widespread food shortage and mass starvation
- 8. transferring genes to improve crops
- 11. deficiency of nutrients
- 12. Natural or synthetic substances that kill or control the organism that people consider pests
- 16. Low input, polyculture and more manual labor farming
- 17. Loss of arable land due to human developments like urbanization, overgrazing, etc.
- 18. Conversion of productive arable land to desert created by over-cultivation and over-grazing
Down
- 1. Less efficient than plant agriculture
- 3. Not getting a balanced diet
- 5. planting different crops in the same field from year to year
- 6. Commercially harvestable population in a particular region
- 7. Main obstacle of obtaining a healthy diet
- 9. When people do not have adequate access to food for all or part of the year
- 10. Replaces lost organic matter and nutrients in soil
- 13. designed to minimize the pesticide input in a more environmentally sensitive approach
- 14. High input, high yield and monoculture farming
- 15. High density farming
- 19. Land available for farming